removed helpers from upgrade instruction as they are no longer part of the compat plugin
removed helpers from upgrade instruction as they are no longer part of the compat plugin

git-svn-id: 7038a89b398528086dab5106cc8d05243a854dbc@7908 ee427ae8-e902-0410-961c-c3ed070cd9f9

theodo/symfony1.1-backports,theodo/symfony1.1-backports,theodo/symfony1.1-backports